The orbicularis oculi muscle has been reflected superiorly. The zygomatic head (16) of the quadratus labii superioris muscle has been cut off and its infraorbital head turned superomedially (5). The zygomatic muscle has been removed. The angular artery has been transected.

1
.

Orbicularis oculi muscle (reflected superiorly)

2
.

Angular head of levator labii superioris muscle

3
.

Inferior palpebral branches of infraorbital nerve

4
.

Branch of facial nerve to angular head of levator labii superioris muscle

5
.

Infraorbital head of levator labii superioris muscle (reflected)

6
.

Superior labial branches Infraorbital nerve

7
.

Muscular branch of angular artery

8
.

Depressor anguli oris muscle

9
.

Orbicularis oris muscle

10
.

Upper lip

11
.

Cut fibers of zygomaticus muscle and infraorbital head of levator labii superioris muscle